268 C. D. Sherbakoff 



"Saccardo's amber" (R); conidiis in totum e ferme albo olivaceo-gilvis; 

 nullis ehlamydosporis. 



Hab. In tuberibus putridis Solani tuberosi, New York, Amer. bor. 



Measurements of conidia on different media are as follows: 



On slightly acidified hard potato agar, culture twenty-five days old; 



conidia from a sporodochium : 



Conidia: 0-septate, rare 



1-septate, 25 per cent, 28-35 x 5.5-6.3/* 

 2-septate, 45 per cent, 26 x 6.3 (29-39 x 6.7)/* 

 3-septate, 30 per cent, 37 x 6.5 (30-41 x 6.3-7)/* 



On red raspberry cane plug, culture fifty-five days old; conidia from a 

 sporodochium : 



Conidia: 1-septate, 63 per cent, 30 x 6.7 (20-34 x 5.5-7.4) /* 

 2-septate, 37 per cent, 33 x 6.8 (25-37 x 6.5-7.4)/* 



On the same medium as above, culture one hundred and thirty-six 



days old; conidia from a sporodochium: 



Conidia: 0-septate, few, 19x5.4/* (only a few measured) 

 1-septate, 30 per cent, 28 x 6.2 (20-32 x 5.2-6.8) /x 

 2-septate, 62 per cent, 33 x 6.5 (28^0 x 6-7)/* 

 3-septate, 8 per cent, 35 x 6.5 (31-40 x 6-7) /* 



On hard lima-bean agar, culture eight days old; conidia from a sporo- 

 dochium : 



Conidia: 1-septate, 44 per cent, 30 x 6.3 (22-35 x 5.5-6.5)/* 

 2-septate, 49 per cent, 33.7 x 6.4 (29-39 x 6-6.6)/* 

 3-septate, 7 per cent, 36x6.5 (31-40x6-6.6)/* 



On same medium and from same sporodochium as above, culture thirty- 

 four days old: 

 Conidia: 0-septate, rare 



1-septate, 46 per cent, 30 x 6.2 (23-37 x 5.4-6.5)/* 

 2-septate, 35 per cent, 33.6 x 6.3 (24-39 x 5.8-6.5)/* 

 3-septate, 19 per cent, 36.9 x 6.5 (32-39 x 6.1-7)/* 

 Average of the above measurements: 

 Conidia: 0— septate, rare, 19 x 5.4/* 



1-septate, 42 per cent, 29.5 x 6.5/* 

 2-septate, 45 per cent, 32 x 6.4/* 

 3-septate, 13 per cent, 36 x 6.5/* 



